	/*
	* javascript used to hide or show a certain div
	* create on 2010.10.12
	* Last update 2010.10.12
	* Jude
	*/


			
	function change_div(div_id){
		var div = document.getElementById(div_id);
		if(div.style.display=="block"){
			div.style.display = 'none';
		}else{
			div.style.display = 'block';
		}
	}
	
	function inbox(){
		var inbox = document.getElementById("inbox");
		var outbox = document.getElementById("outbox");
		inbox.style.display = "block";
		outbox.style.display = "none";
	}
			
	function outbox(){
		var inbox = document.getElementById("inbox");
		var outbox = document.getElementById("outbox");
		inbox.style.display = "none";
		outbox.style.display = "block";
	}
